Gun magazine for a semi-automatic gun



FIG. 1 is an isometric view showing the front, top and right side of one embodiment of my new and ornamental design for a gun magazine for semi-automatic gun;

FIG. 2 is an isometric view of the rear of the embodiment of FIG. 1;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is an isometric view of the front, top and right side of a gun magazine in accordance with a second embodiment for fitting a second type of semi-automatic gun;

FIG. 8 is an isometric view of the rear of the embodiment of FIG. 7;

FIG. 9 is a bottom view thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a front elevational view thereof; and

FIG. 12 is a rear elevational view thereof. 

The ornamental design for a gun magazine for a semi-automatic gun, as shown and described. 